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  1. JDK
  2. JDK-8295099

vmTestbase/nsk/stress/strace/strace013.java failed with "TestFailure: wrong lengths of stack traces: strace013Thread0: NNN strace013Thread83: MMM"

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    • b24
    • x86_64
    • windows

    Description

      The following test failed in the JDK20 CI:

      vmTestbase/nsk/stress/strace/strace013.java

      Here's a snippet from the log file:

      #section:main
      ----------messages:(6/266)----------
      command: main nsk.stress.strace.strace013
      reason: User specified action: run main/othervm nsk.stress.strace.strace013
      started: Sat Oct 01 05:15:30 UTC 2022
      Mode: othervm [/othervm specified]
      finished: Sat Oct 01 05:15:32 UTC 2022
      elapsed time (seconds): 1.69
      ----------configuration:(0/0)----------
      ----------System.out:(236/8255)----------
      #>
      #> WARNING: switching log to verbose mode,
      #> because error is complained
      #>
      starting threads...

      <snip>

      strace013Thread94>waiting on a monitor
      strace013Thread84>waiting on a monitor
      strace013Thread90>waiting on a monitor
      making all threads snapshots...
      making snapshots of each thread...
      notifying

      checking lengths of stack traces...
      strace013Thread0>notified
      strace013Thread83>notified
      strace013Thread97>notified
      # ERROR: wrong lengths of stack traces:
      # ERROR: strace013Thread0: 204 strace013Thread83: 201
      The following stacktrace is for failure analysis.
      nsk.share.TestFailure: wrong lengths of stack traces: strace013Thread0: 204 strace013Thread83: 201
      at nsk.share.Log.logExceptionForFailureAnalysis(Log.java:432)
      at nsk.share.Log.complain(Log.java:403)
      at nsk.stress.strace.strace013.complain(strace013.java:247)
      at nsk.stress.strace.strace013.makeSnapshot(strace013.java:176)
      at nsk.stress.strace.strace013.run(strace013.java:105)
      at nsk.stress.strace.strace013.main(strace013.java:91)
      at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
      at java.base/java.lang.reflect.Method.invoke(Method.java:578)
      at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
      at java.base/java.lang.Thread.run(Thread.java:1588)
      waiting for finish strace013Thread1
      strace013Thread72>notified
      strace013Thread95>notified
      strace013Thread78>notified
      strace013Thread96>notified

      <snip>

      strace013Thread7>notified
      strace013Thread2>notified
      strace013Thread1>notified
      # ERROR: ***>>>Test failed<<<***


      #>
      #> SUMMARY: Following errors occured
      #> during test execution:
      #>
      # ERROR: wrong lengths of stack traces:
      # ERROR: strace013Thread0: 204 strace013Thread83: 201
      # ERROR: ***>>>Test failed<<<***
      ----------System.err:(0/0)----------
      ----------rerun:(38/6212)*----------

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              dholmes David Holmes
              dcubed Daniel Daugherty
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                Created:
                Updated:
                Resolved: